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An inspector is informed that an incorrect test box may have been used on numerous B737-700 aircraft for the functional checks of the engine and APU fire control panel (P-8); located in the cockpit.
| Attributes | |
| ACN | 783655 |
| Time | |
| Date | 200801 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-700 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| ASRS Report | 783655 |
| Events | |
| Anomaly | maintenance problem : improper maintenance non adherence : published procedure |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : engineering procedure contributing factor : briefing contributing factor : work cards contributing factor : tooling performance deficiency : scheduled maintenance performance deficiency : testing |
| Supplementary | |
| Problem Areas | Company Chart Or Publication Maintenance Human Performance |
| Primary Problem | Chart Or Publication |
Narrative:
I was informed that I may have been involved in a situation on aircraft that the improper test equipment may have been used to perform the fire control panel functional check test card. The improper test equipment was available at the time. I cannot tell for certain if the proper test equipment was used. I was in the flight deck while the test being performed. When the test was concluded and system restored I went to the wheel well and verified all connectors were reconnected and secured as well as all circuit breakers reset. From the flight deck you can hear techs say good as well as the audible checks on the remaining portion of the card. I have no reason to believe at this time the improper test equipment was used. But as precaution the aircraft was retested and passed with no discrepancies. In the future I will be more aware of the actions and tools being used in the wheel well.
Original NASA ASRS Text
Title: AN INSPECTOR IS INFORMED THAT AN INCORRECT TEST BOX MAY HAVE BEEN USED ON NUMEROUS B737-700 ACFT FOR THE FUNCTIONAL CHECKS OF THE ENGINE AND APU FIRE CONTROL PANEL (P-8); LOCATED IN THE COCKPIT.
Narrative: I WAS INFORMED THAT I MAY HAVE BEEN INVOLVED IN A SITUATION ON ACFT THAT THE IMPROPER TEST EQUIP MAY HAVE BEEN USED TO PERFORM THE FIRE CTL PANEL FUNCTIONAL CHK TEST CARD. THE IMPROPER TEST EQUIP WAS AVAILABLE AT THE TIME. I CANNOT TELL FOR CERTAIN IF THE PROPER TEST EQUIP WAS USED. I WAS IN THE FLT DECK WHILE THE TEST BEING PERFORMED. WHEN THE TEST WAS CONCLUDED AND SYS RESTORED I WENT TO THE WHEEL WELL AND VERIFIED ALL CONNECTORS WERE RECONNECTED AND SECURED AS WELL AS ALL CIRCUIT BREAKERS RESET. FROM THE FLT DECK YOU CAN HEAR TECHS SAY GOOD AS WELL AS THE AUDIBLE CHKS ON THE REMAINING PORTION OF THE CARD. I HAVE NO REASON TO BELIEVE AT THIS TIME THE IMPROPER TEST EQUIP WAS USED. BUT AS PRECAUTION THE ACFT WAS RETESTED AND PASSED WITH NO DISCREPANCIES. IN THE FUTURE I WILL BE MORE AWARE OF THE ACTIONS AND TOOLS BEING USED IN THE WHEEL WELL.
Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.